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Narcine oculifera Carvalho, Compagno and Mee, 2002
Life   Vertebrata   Fish   Narcinidae   Narcine


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Narcine oculifera Carvalho , Compagno & Mee , 2002

Bigeye numbfish Upload your photos  and  videos
Google image Image of Narcine oculifera (Bigeye numbfish) Narcine oculifera
No image available for this species;
drawing shows typical fish in this Family.

Classification / Names Common names | Synonyms | Catalog of Fishes ( gen. , sp. ) | ITIS | CoL | WoRMS | Cloffa

Elasmobranchii (sharks and rays) > Torpediniformes (Electric rays) > Narcinidae (Numbfishes)
Etymology: Narcine: Greek, narke = numbness (Ref. 45335 ) ;   oculifera: Named for its bulging eyes [oculus = eye; fera = to bear or carry].

Environment: milieu / climate zone / depth range / distribution range Ecology

Marine; benthopelagic; depth range ? - 25 m (Ref. 114953 ).   Tropical; 11°N - 24°N, 50°E - 60°E (Ref. 114953 )

Distribution Countries | FAO areas | Ecosystems | Occurrences | Point map | Introductions | Faunafri

Western Indian Ocean: Gulf of Oman and Gulf of Aden.

Size / Weight / Age

Maturity: L m   ?   range ? - 32.5 cm
Max length : 35.0 cm SL male/unsexed; (Ref. 41511 )

Short description Morphology | Morphometrics

Vertebrae : 109. Dorsal with irregular reticulated light brown to reddish-brown pattern over disc, pelvic fins and tail, demarcating white or creamy-white oval; reniform and circular spots of variable sizes over disc, and small white spots on dorsal and caudal fins. Eyes large and bulging. Circular spiracles with markedly elevated rims and complete antero-lateral margin. Interorbital distance greater than interspiracular distance. First dorsal fin greater than second in height. Individual teeth with small lateral cusplets; upper and lower tooth bands roughly equal in width and broadly rounded.

Biology     Glossary (e.g. epibenthic)

Occurs above sandy bottom near rocky reef areas. Females reaches maturity at 32 cm TL, males at ca. 24 cm TL; born at ca. 12 cm TL (Ref. 114953 ).

Life cycle and mating behavior Maturity | Reproduction | Spawning | Eggs | Fecundity | Larvae

Main reference Upload your references | References | Coordinator : Carvalho, Marcelo | Collaborators

de Carvalho, M.R., L.J.V. Compagno and J.K.L. Mee , 2002. Narcine oculifera : a new species of electric ray from the gulfs of Oman and Aden (Chondrichthyes: Torpediniformes: Narcinidae). Copeia 2002(1):137-145. (Ref. 41511 )

IUCN Red List Status (Ref. 120744 )

  Data deficient (DD)  ; Date assessed: 07 February 2017

CITES (Ref. 118484 )

Not Evaluated

CMS (Ref. 116361 )

Not Evaluated

Threat to humans

  Harmless




Human uses

FAO(Publication : search ) | FishSource |

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Internet sources

Aquatic Commons | BHL | Cloffa | Websites from users | Check FishWatcher | CISTI | Catalog of Fishes ( gen. , sp. ) | DiscoverLife | ECOTOX | Faunafri | Fishtrace | GenBank( genome , nucleotide ) | GloBI | Google Books | Google Scholar | Google | IGFA World Record | MitoFish | Otolith Atlas of Taiwan Fishes | PubMed | Reef Life Survey | Tree of Life | Wikipedia( Go , Search ) | World Records Freshwater Fishing | Zoobank | Zoological Record

Estimates based on models

Phylogenetic diversity index (Ref. 82805 ):  PD 50 = 0.5000   [Uniqueness, from 0.5 = low to 2.0 = high]. Bayesian length-weight: a=0.01047 (0.00390 - 0.02813), b=2.87 (2.64 - 3.10), in cm Total Length, based on LWR estimates for this (Sub)family-body shape (Ref. 93245 ). Trophic Level (Ref. 69278 ):  3.1   ±0.3 se; Based on size and trophs of closest relatives Resilience (Ref. 120179 ):  Low, minimum population doubling time 4.5 - 14 years (Assuming fecundity<100). Vulnerability (Ref. 59153 ):  Low to moderate vulnerability (33 of 100) .

Entered by Capuli, Estelita Emily Modified by Abucay, Luisa Fish Forum
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